Eileen H. Helmer - Publications, H-index & Citations

Eileen H. Helmer

usda forest service

34H指数

97论文数

8.7K被引数

收录论文 25

发表时间

How Five Decades of Land-Cover Change Reshaped Suitable Habitat for Puerto Rican Tree Species 五十年土地利用变化如何重塑波多黎各树种适宜生境

Diversity and Distributions

IF4.2

2026-09-07

OAAI

Laura Moro; Pascal Milesi; Eileen H. Helmer; María Uriarte; Robert Muscarella

Multi-Resolution Mapping of Aboveground Biomass and Change in Puerto Rico’s Forests with Remote Sensing and Machine Learning 利用遥感与机器学习方法对波多黎各森林地上生物量及其变化进行多分辨率制图

Remote Sensing

IF4.1

2026-04-17

OAAI

Nafiseh Haghtalab; Tamara Heartsill-Scalley; Tana E. Wood; J. Aaron Hogan; Humfredo Marcano-Vega; Thomas J. Brandeis; Thomas Ruzycki; Eileen H. Helmer

Advancing the EcoVeg approach as a terrestrial ecosystem typology: From global biomes to local plant communities 将EcoVeg方法推进为陆地生态系统分类法：从全球生物群系到局部植物群落

ECOSPHERE

IF2.9

2025-05-12

OAAI

Faber-Langendoen, Don; Keith, David A.; Loidi, Javier; Helmer, Eileen H.; Willner, Wolfgang; Navarro, Gonzalo; Hunter, John; Liu, Changcheng; Guuroh, Reginald T.; Pliscoff, Patricio

Predicting species-specific diameter growth rate for Caribbean trees using mixed-effects extreme gradient boosting

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2025-03-01

PREAI

Yang, Sheng-, I; Brandeis, Thomas J.; Helmer, Eileen H.; Marcano-Vega, Humfredo

Anthromes and forest carbon responses to global change 人类与森林碳对全球变化的响应

PLANTS PEOPLE PLANET

IF3.6

2024-12-08

PREAI

Hogan, J. Aaron; Lichstein, Jeremy W.; Helmer, Eileen H.; Craig, Matthew E.; Fricke, Evan; Henrich, Viola; Kannenberg, Steven A.; Koven, Charles D.; Goldewjik, Kees Klein; Lapola, David M.; Li, Yue; Malhi, Yadvinder; Quinn, John; Roe, Stephanie; Terrer, Cesar; Vilanova, Emilio; Walker, Anthony P.; Zhu, Kai; Ellis, Erle C.

Aridity and forest age mediate landscape scale patterns of tropical forest resistance to cyclonic storms

JOURNAL OF ECOLOGY

IF5.6

2024-11-03

OAAI

Vargas, G. German; Marcano-Vega, Humfredo; Ruzycki, Tom; Wood, Tana E.; Anderegg, William R. L.; Powers, Jennifer S.; Helmer, Eileen H.

Characterizing height-diameter relationships for Caribbean trees using mixed-effects random forest algorithm

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2022-11-01

OAAI

Yang, Sheng-, I; Brandeis, Thomas J.; Helmer, Eileen H.; Oatham, Michael P.; Heartsill-Scalley, Tamara; Marcano-Vega, Humfredo

The damage of urban vegetation from super typhoon is associated with landscape factors: Evidence from Sentinel-2 imagery

INTERNATIONAL JOURNAL OF APPLIED EARTH OBSERVATION AND GEOINFORMATION

IF8.6

2021-12-01

OAAI

Xu, Shuai; Zhu, Xiaolin; Helmer, Eileen H.; Tan, Xiaoyue; Tian, Jiaqi; Chen, Xuehong

An Improved Flexible Spatiotemporal DAta Fusion (IFSDAF) method for producing high spatiotemporal resolution normalized difference vegetation index time series 一种改进的灵活时空数据融合 (IFSDAF) 方法，用于产生高时空分辨率的归一化差异植被指数时间序列

REMOTE SENSING OF ENVIRONMENT

IF11.4

2019-06-01

142

PREAI

Liu, Meng; Yang, Wei; Zhu, Xiaolin; Chen, Jin; Chen, Xuehong; Yang, Linqing; Helmer, Eileen H.

An automatic method for screening clouds and cloud shadows in optical satellite image time series in cloudy regions

REMOTE SENSING OF ENVIRONMENT

IF11.4

2018-09-01

113

OAAI

Zhu, Xiaolin; Helmer, Eileen H.

A flexible spatiotemporal method for fusing satellite images with different resolutions

REMOTE SENSING OF ENVIRONMENT

IF11.4

2016-01-01

585

PREAI

Zhu, Xiaolin; Helmer, Eileen H.; Gao, Feng; Liu, Desheng; Chen, Jin; Lefsky, Michael A.

Functional attributes of two subtropical shrubs and implications for the distribution and management of endangered bird habitat

JOURNAL OF PLANT ECOLOGY

IF3.9

2015-02-03

OAAI

Fleming, Genie M.; Wunderle, Joseph M., Jr.; Ewert, David N.; O'Brien, Joseph J.; Helmer, Eileen H.

Bringing an ecological view of change to Landsat-based remote sensing

FRONTIERS IN ECOLOGY AND THE ENVIRONMENT

IF7.6

2014-06-18

320

PREAI

Kennedy, Robert E.; Andrefouet, Serge; Cohen, Warren B.; Gomez, Cristina; Griffiths, Patrick; Hais, Martin; Healey, Sean P.; Helmer, Eileen H.; Hostert, Patrick; Lyons, Mitchell B.; Meigs, Garrett W.; Pflugmacher, Dirk; Phinn, Stuart R.; Powell, Scott L.; Scarth, Peter; Sen, Susmita; Schroeder, Todd A.; Schneider, Annemarie; Sonnenschein, Ruth; Vogelmann, James E.; Wulder, Michael A.; Zhu, Zhe

The forest types and ages cleared for land development in Puerto Rico

GISCIENCE & REMOTE SENSING

IF6.9

2013-05-15

OAAI

Kennaway, Todd; Helmer, E. H.

Detailed maps of tropical forest types are within reach: Forest tree communities for Trinidad and Tobago mapped with multiseason Landsat and multiseason fine-resolution imagery

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2012-09-01

PREAI

Helmer, E. H.; Ruzycki, Thomas S.; Benner, Jay; Voggesser, Shannon M.; Scobie, Barbara P.; Park, Courtenay; Fanning, David W.; Ramnarine, Seepersad

Mapping montane tropical forest successional stage and land use with multi-date Landsat imagery

INTERNATIONAL JOURNAL OF REMOTE SENSING

IF2.6

2010-11-25

116

PREAI

Helmer, EH; Brown, S; Cohen, WB

Mapping tropical dry forest height, foliage height profiles and disturbance type and age with a time series of cloud-cleared Landsat and ALI image mosaics to characterize avian habitat

REMOTE SENSING OF ENVIRONMENT

IF11.4

2010-11-01

PREAI

Helmer, E. H.; Ruzycki, Thomas S.; Wunderle, Joseph M., Jr.; Vogesser, Shannon; Ruefenacht, Bonnie; Kwit, Charles; Brandeis, Thomas J.; Ewert, David N.

Climate shapes the novel plant communities that form after deforestation in Puerto Rico and the US Virgin Islands

FOREST ECOLOGY AND MANAGEMENT

IF3.7

2009-09-01

PREAI

Brandeis, Thomas J.; Helmer, Eileen H.; Marcano-Vega, Humfredo; Lugo, Ariel E.

Factors influencing spatial pattern in tropical forest clearance and stand age: Implications for carbon storage and species diversity

JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES

IF3.5

2008-05-24

OAAI

Helmer, E. H.; Brandeis, Thomas J.; Lugo, Ariel E.; Kennaway, Todd

Mapping US forest biomass using nationwide forest inventory data and moderate resolution information

REMOTE SENSING OF ENVIRONMENT

IF11.4

2008-04-15

389

PREAI

Blackard, J. A.; Finco, M. V.; Helmer, E. H.; Holden, G. R.; Hoppus, M. L.; Jacobs, D. M.; Lister, A. J.; Moisen, G. G.; Nelson, M. D.; Riemann, R.; Ruefenacht, B.; Salajanu, D.; Weyermann, D. L.; Winterberger, K. C.; Brandeis, T. J.; Czaplewski, R. L.; McRoberts, R. E.; Patterson, P. L.; Tymcio, R. P.

研究方向